As the City of Pittsburgh was preparing for a visit from President Joe Biden to talk about the infrastructure investment his administration has made, a bridge carrying Forbes Avenue traffic over Frick Park collapsed, leaving ten people injured.
The University of Delaware's Michael Chajes, professor of civil and environmental engineering, can speak to the issue.
A forensic engineer, Chajes has served as a consultant participating in the evaluation and testing of numerous major bridges and structures including the Brooklyn-Queens Expressway, Ben Franklin Bridge, Chesapeake City Bridge, Lock Gates on the Erie Canal and several historic trusses and polymer composite bridges.
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